青虾与河蟹混养,可以充分利用池塘水体和饲料,在基本不增加劳动强度的情况下,获得虾、蟹双丰收,大大提高池塘养殖的整体经济效益。一、池塘准备1.池塘选择 实行虾蟹混养的池塘,面积5亩~10亩,水深1.0m~1.5m,塘埂坡度1∶3左右,不渗不漏,排灌方便,水源充足,水质清新,水体溶解氧 Freshwater shrimp and crab polyculture, you can make full use of pond water and feed, without increasing the labor intensity of the case, access to shrimp and crab double harvest, greatly improving the overall economic benefits of pond culture. First, the pond preparation 1 ponds choose to practice shrimp and crab polyculture ponds, an area of ​​5 acres to 10 acres, the depth of 1.0m ~ 1.5m, ponds slope about 1: 3, impermeable, drainage and irrigation convenience, sufficient water, water quality Fresh, water dissolved oxygen